% group articles by domain 
% for every article write a short summary of its relevant features
% and add an illustrative picture
% then criticize the presented solutions

\subsection{Input Modalities}
\input{input-mod}

\subsection{Output Modalities}
\input{output-mod}

\subsection{Shape Creation}
\input{shape-creation}

\subsection{Scene Navigation}
\input{navigation}
